EP3420840B1 - Ring type wearable terminal and flexible substrate - Google Patents
Ring type wearable terminal and flexible substrate Download PDFInfo
- Publication number
- EP3420840B1 EP3420840B1 EP17193026.6A EP17193026A EP3420840B1 EP 3420840 B1 EP3420840 B1 EP 3420840B1 EP 17193026 A EP17193026 A EP 17193026A EP 3420840 B1 EP3420840 B1 EP 3420840B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- flexible substrate
- wearable terminal
- type wearable
- bonded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000758 substrate Substances 0.000 title claims description 36
- 238000004891 communication Methods 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
- G06K19/041—Constructional details
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C9/00—Finger-rings
- A44C9/0007—Finger-rings made of several rings
- A44C9/0015—Finger-rings made of several rings connected or interlinked to each other
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C9/00—Finger-rings
- A44C9/0053—Finger-rings having special functions
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C9/00—Finger-rings
- A44C9/02—Finger-rings adjustable
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07758—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
- G06K19/07762—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag the adhering arrangement making the record carrier wearable, e.g. having the form of a ring, watch, glove or bracelet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/14—Supports; Mounting means for wire or other non-rigid radiating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0263—High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board
- H05K1/0265—High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board characterized by the lay-out of or details of the printed conductors, e.g. reinforced conductors, redundant conductors, conductors having different cross-sections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/05—Flexible printed circuits [FPCs]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/05—Flexible printed circuits [FPCs]
- H05K2201/056—Folded around rigid support or component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10098—Components for radio transmission, e.g. radio frequency identification [RFID] tag, printed or non-printed antennas
Definitions
- the present invention relates to a ring type wearable terminal and a flexible substrate.
- IC cards When getting close to a reader-writer, IC cards wirelessly communicate with the reader-writer and transmit and/or receive various types of data. Since IC cards are easy to handle, IC cards are widely used as access management cards, employee cards, boarding cards for transportation systems, credit cards, etc.
- Patent document No. 1 discloses a ring type RFID data carrier where an annular antenna is connected to an exterior body incorporating an IC chip. This ring is convenient since wearing this ring no longer requires IC cards to be taken out from a bag or clothes when going through an automatic ticket gate for a railroad or when paying for a purchase.
- CN204013533U is directed to a narrow and safe NFC finger ring apparatus.
- An NFC chip and an antenna are fastened in a concave circular ring made of a hard material through a spiral winding mode and are sealed in a resin adhesive which can be solidified at a normal temperature, if a finger ring body employs a metal material, a wave increasing material is arranged among metal, the NFC chip and the antenna so as to prevent the metal from interfering the transceiving function of the antenna and solve the disadvantages of NFC circuit assembly faults due to high temperature, poor waterproof performance, over large annular body width and the like during conventional packaging.
- the NFC induction distance can be reduced to the minimum, such that criminals are prevented from stealing data by use of a powerful NFC reader.
- the narrow and safe NFC finger ring apparatus is used by sleeving the finger, in case of abnormal transceiving, the apparatus can be taken off from the finger, and an improvement can be made by using the circumferential plane of the finger ring to approach an NFC sensor directly.
- a ring type data carrier makes it easier to use the features of the data carrier. However, if the size does not fit a finger, the ring type data carrier may fall from the finger and get lost. In order for a ring type data carrier to be widely used regardless of gender, it is necessary to prepare ring type data carries in a variety of sizes.
- a ring according to Patent document No. 1 requires an annular antenna in different sizes. However, it is understood that manufacturing cost is increased in that case.
- a purpose of the present invention is to provide a ring type wearable terminal that allows for a size range for multiple sizes while preventing an increase in the manufacturing cost.
- the size of the ring-shaped flexible substrate can be changed in accordance with the ring. This allows the same flexible substrate to be used for a ring in a different size and thus allows for a size range for multiple sizes while preventing an increase in the manufacturing cost.
- a ring type wearable terminal can be provided that allows for a size range for multiple sizes while preventing an increase in the manufacturing cost.
- a ring type wearable terminal is provided with a first ring that has a recessed portion formed on a side surface thereof, a second ring that is bonded to the first ring and that covers the recessed portion, and a communication unit that is housed in the recessed portion of the first ring.
- the communication unit is an IC tag that includes an IC chip and an antenna.
- the first ring and the second ring are bonded by an adhesive agent that fills the recessed portion. Compared to a case where the adhesive agent is applied such that bonding surfaces come into contact at the surfaces, the bonding strength between the first ring and the second ring can be improved by increasing the amount of the adhesive agent.
- the communication unit is tightly fixed to the recessed portion and protected by the adhesive agent. This configuration allows the strength of the ring type wearable terminal to be improved.
- Fig. 1 is a perspective view of a ring type wearable terminal 10 according to the first embodiment
- Fig. 2 is a lateral view of the ring type wearable terminal 10.
- the ring type wearable terminal 10 is provided with a first ring 12 and a second ring 14 that is bonded to the outside of the first ring 12.
- the first ring 12 and the second ring 14 are formed of high-strength ceramics made of zirconia to which yttrium oxide is added.
- the first ring 12 and the second ring 14 are set to have a width W1 of 7.8 mm.
- the first ring 12 is set to have an internal diameter R1 of 20.2 mm and an outer diameter R2 of 23.2 mm.
- the second ring 14 is set to have an internal diameter R3 of 23.2 mm and an outer diameter R4 of 26.0 mm.
- the respective diameters of the first ring 12 and the second ring 14 are changed in accordance with the size of the rings.
- Fig. 3 is a cross sectional view along A-A of Fig. 2
- Fig. 4 is a partial enlarged view of Fig. 3
- the recessed portion 16 houses a communication unit 26, which is described later, and is covered by the second ring 14.
- the recessed portion 16 is set to have a width W2 of 6 mm and a depth D of 1.2 mm.
- the recessed portion 16 is filled with an adhesive agent 24.
- the adhesive agent 24 filling the recessed portion 16 bonds the first ring 12 and the second ring 14 and fixes the communication unit 26 to the recessed portion 16. Also, the adhesive agent 24 absorbs an impact caused by coming into contact with a reader-writer or the like so as to protect the communication unit 26.
- the adhesive agent 24 is an epoxy resin-based adhesive agent.
- Fig. 5 is a perspective view of the communication unit 26 according to the embodiment.
- the communication unit 26 is provided with a flexible substrate 30 and an IC chip 32 provided in the flexible substrate 30.
- the end portions of the flexible substrate 30 are connected to each other to form a ring shape.
- An antenna 28 is formed on each surface of the flexible substrate 30.
- the IC chip 32 includes a CPU, a memory, a reception unit, and a transmission unit and is connected to the antenna 28.
- the IC chip 32 using prior arts, operates by electrical power generated by the antenna 28 that has received a radio wave from the reader-writer and transmits and/or receives various types of data to/from the reader-writer.
- Fig. 6 is a plan view showing a condition before the flexible substrate 30 according to the first embodiment is formed into a ring shape.
- the flexible substrate 30 is set to have a width W3 of 5.9 mm and a length L1 of 75 mm.
- a plurality of linear patterns 28a through 28i that form the antenna 28 are formed on a first surface of the flexible substrate 30 on the side where the IC chip 32 is provided.
- linear patterns of almost the same shape are formed at a position where the patterns overlap with the patterns on the first surface when viewed in a plan view.
- the linear patterns on both surfaces are connected through a plurality of connection holes 29 formed in the flexible substrate 30.
- the linear patterns 28a and 28i located at the ends in the width direction extend in the longitudinal direction from respective end portions of the flexible substrate 30 to the central part thereof and are connected to the IC chip 32.
- the linear patterns 28b through 28h located between these two linear patterns are formed such that the linear patterns 28b extend in a parallel manner from one end to the other end of the flexible substrate 30 while being shifted by one linear pattern at a central portion of the flexible substrate 30.
- each linear pattern is referred to as a bonding portion 38, which is bonded to another linear pattern.
- a positioning portion 34 projecting toward the outside from a side edge in the width direction is formed.
- a positioning portion 34 on the side of one end 30a is set to have a length L2 of 7 mm and forms five positioning holes 36 lines up in the longitudinal direction.
- a positioning portion 34 on the side of the other end 30b is set to have a length L3 of 2 mm and forms one positioning hole 36.
- both of the positioning portions 34 are overlapped with each other such that the flexible substrate 30 has a circumference that matches the size of the ring and are fixed with a pin passing through the positioning holes 36.
- the bonding portions 38 at the ends are soldered to form the flexible substrate 30 into a ring shape.
- the linear pattern 28a is bonded, on the side of the other end 30b, to the linear pattern 28b on the side of the end 30a so as to form a single loop.
- the linear patterns 28b through 28h are bonded, on the side of the other end 30b, to the linear patterns 28c through 28i, respectively, so as to form a plurality of loops.
- Such a structure allows the linear patterns 28a through 28i to form a single loop antenna where both ends of the linear patterns are connected to the IC chip 32 being wound in a coil shape while the flexible substrate 30 is in a ring shape.
- positioning holes 36 are formed side by side at a center-to-center distance of 1.2 mm in the longitudinal direction. This allows the circumference of the flexible substrate 30 to be adjusted at intervals of 1.2 mm in accordance with the size of the ring by changing the positioning holes 36 to be overlapped at the time of bonding. Since a single flexible substrate 30 can adapt to rings of multiple sizes, the manufacturing cost of a ring can be reduced in the manufacturing of multiple ring type wearable terminals of different sizes, compared to a case of manufacturing a flexible substrate 30 where the pattern of an antenna 28 and the entire length vary depending on a size. An adaptable size can be changed by changing the length L1 of the flexible substrate 30, the lengths L2 and L3 of the positioning portions 34, the number of the positioning holes 36, or the like.
- a rod-like jig whose outer diameter becomes larger gradually from one end to the other end is prepared. This jig is inserted into a first ring 12, and the first ring 12 is fixed to the jig at a position where the diameters match. Then, a communication unit 26 including a ring-shaped flexible substrate 30 where a bonding portion 38 is bonded in accordance with the size of the ring is put in a recessed portion 16 of the first ring 12. Under this condition, an adhesive agent 24 is applied to the entire outer side of the first ring 12 in a heaped manner, and the recessed portion 16 is filled with the adhesive agent 24.
- a second ring 14 is placed on the outer side of the first ring 12.
- the adhesive agent 24 is hardened, the first ring 12 and the second ring 14 become bonded, and the communication unit 26 becomes fixed to the recessed portion 16.
- the adhesive agent 24 of the recessed portion 16 covers the entirety of the communication unit 26 and absorbs an impact received by coming into contact with a reader-writer or the like so as to protect the communication unit 26.
- the first ring 12 and the second ring 14 are removed from the jig, and the respective outer peripheral surfaces are polished. At this time, the polishing is performed such that a part of the adhesive agent 24 that has leaked from between the first ring 12 and the second ring 14 is removed and the respective outer peripheral surfaces of the first ring 12 and the second ring 14 become smoothly continuous. Through these steps, the first ring 12 and the second ring become tightly bonded, and the ring type wearable terminal 10 smoothly finished without bumps on the surface can be manufactured.
- a user wears a ring type wearable terminal 10 in his/her finger.
- a user wears a ring type wearable terminal 10 closer to a reader-writer, reading at an automatic ticket gate, payment for a purchase, etc., can be easily performed.
- manufactures of ring type wearable terminals 10 are able to allow a single flexible substrate 30 to be adaptable to multiple ring sizes and thus able to reduce the manufacturing cost when offering a size range of multiple sizes.
- the recessed portion 16 is formed in the first ring 12.
- a recessed portion may be formed in the second ring 14.
- a recessed portion may be formed on each of the first ring 12 and the second ring 14.
- the first ring 12 and the second ring 14 are tightly bonded as in the same way as in the embodiment.
- the color of the first ring 12 and the color of the second ring 14 can be obviously any color. From the fashion's perspective, the colors may be the same color or, conversely, a combination of greatly different colors as those in a complementary color relationship.
- a ring type wearable terminal according to a second embodiment is different from that of the first embodiment in that a notch to be filled with an adhesive agent 24 is formed in at least either one of a first ring 12 and a second ring 14.
- Fig. 7 is a cross sectional view of a ring type wearable terminal 40 according to the second embodiment
- Fig. 8 is a partial enlarged view of Fig. 7
- the inner side notch 18 includes an inclined surface formed such that the outer diameter of the first ring 12 becomes smaller toward the side edge.
- the outer side notch 20 includes an inclined surface formed such that the inner diameter of the second ring 14 becomes larger toward the side edge.
- the inner side notch 18 and the outer side notch 20 form a notched portion 22 whose cross section is triangle-shaped.
- the first ring 12 and the second ring 14 are bonded by an adhesive agent 24 that fills the recessed portion 16 and the notched portion 22. Since the notched portion 22, as well as the recessed portion 16, is also filled with the adhesive agent 24, the first ring 12 and the second ring 14 can be more tightly bonded.
- polishing is performed such that the surface of the adhesive agent 24 filling the notched portion 22 becomes smoothly continuous with the respective outer peripheral surfaces of the first ring 12 and the second ring 14.
- a clear adhesive agent may be used as the adhesive agent 24.
- an adhesive agent colored in the same color as that of the first ring 12 and that of the second ring 14 may be used to conceal the notched portion 22. From the fashion's perspective, an adhesive agent colored in a color that is different from the color of the first ring 12 and the color of the second ring 14 may be used.
- the inner side notch 18 is formed on the first ring 12, and the outer side notch 20 is formed on the second ring 14. Alternatively, either one of the inner side notch 18 and the outer side notch 20 may be applied.
- the inner side notch 18 and the outer side notch 20 may not be formed on the whole circumference of the rings and may be formed on at least a part of the respective rings. In either case, a notched portion to be filled with the adhesive agent 24 can be formed between the first ring 12 and the second ring 14 so as to bond the first ring 12 and the second ring 14 more tightly.
- a ring type wearable terminal used as a ring For example, an explanation has been made regarding a ring type wearable terminal used as a ring.
- the diameter of the ring and the diameter of an inner diameter correction member may be increased to be used as a bracelet.
Description
- The present invention relates to a ring type wearable terminal and a flexible substrate.
- When getting close to a reader-writer, IC cards wirelessly communicate with the reader-writer and transmit and/or receive various types of data. Since IC cards are easy to handle, IC cards are widely used as access management cards, employee cards, boarding cards for transportation systems, credit cards, etc.
- Rings are known that are provided with the same features as those of IC cards. Patent document No. 1 discloses a ring type RFID data carrier where an annular antenna is connected to an exterior body incorporating an IC chip. This ring is convenient since wearing this ring no longer requires IC cards to be taken out from a bag or clothes when going through an automatic ticket gate for a railroad or when paying for a purchase.
- [Patent document No. 1]
JP 2015-93004 -
CN204013533U is directed to a narrow and safe NFC finger ring apparatus. An NFC chip and an antenna are fastened in a concave circular ring made of a hard material through a spiral winding mode and are sealed in a resin adhesive which can be solidified at a normal temperature, if a finger ring body employs a metal material, a wave increasing material is arranged among metal, the NFC chip and the antenna so as to prevent the metal from interfering the transceiving function of the antenna and solve the disadvantages of NFC circuit assembly faults due to high temperature, poor waterproof performance, over large annular body width and the like during conventional packaging. Especially, after the narrow and safe NFC finger ring apparatus sleeves a finger, the NFC induction distance can be reduced to the minimum, such that criminals are prevented from stealing data by use of a powerful NFC reader. The narrow and safe NFC finger ring apparatus is used by sleeving the finger, in case of abnormal transceiving, the apparatus can be taken off from the finger, and an improvement can be made by using the circumferential plane of the finger ring to approach an NFC sensor directly. - Wearing a ring type data carrier makes it easier to use the features of the data carrier. However, if the size does not fit a finger, the ring type data carrier may fall from the finger and get lost. In order for a ring type data carrier to be widely used regardless of gender, it is necessary to prepare ring type data carries in a variety of sizes. A ring according to Patent document No. 1 requires an annular antenna in different sizes. However, it is understood that manufacturing cost is increased in that case.
- In this background, a purpose of the present invention is to provide a ring type wearable terminal that allows for a size range for multiple sizes while preventing an increase in the manufacturing cost.
- The invention is set out in the claims.
- By adjusting a bonding position of the bonding portion, the size of the ring-shaped flexible substrate can be changed in accordance with the ring. This allows the same flexible substrate to be used for a ring in a different size and thus allows for a size range for multiple sizes while preventing an increase in the manufacturing cost.
- According to the present invention, a ring type wearable terminal can be provided that allows for a size range for multiple sizes while preventing an increase in the manufacturing cost.
- Embodiments will now be described, by way of example only, with reference to the accompanying drawings which are meant to be exemplary, not limiting, and wherein like elements are numbered alike in several Figures, in which:
-
Fig. 1 is a perspective view of a ring type wearable terminal according to a first embodiment; -
Fig. 2 is a lateral view of a ring type wearable terminal according to the first embodiment; -
Fig. 3 is a cross sectional view along A-A ofFig. 2 ; -
Fig. 4 is a partial enlarged view ofFig. 3 ; -
Fig. 5 is a perspective view of a communication unit according to the first embodiment; -
Fig. 6 is a plan view showing a condition before a flexible substrate according to the first embodiment is formed into a ring shape; -
Fig. 7 is a cross sectional view of a ring type wearable terminal according to a second embodiment; and -
Fig. 8 is a partial enlarged view ofFig. 7 . - In the following embodiments, like numerals represent like constituting elements, and duplicative explanations will be omitted. For the sake of ease of explanation, some constituting elements are appropriately omitted in the figures.
- A ring type wearable terminal according to a first embodiment is provided with a first ring that has a recessed portion formed on a side surface thereof, a second ring that is bonded to the first ring and that covers the recessed portion, and a communication unit that is housed in the recessed portion of the first ring. The communication unit is an IC tag that includes an IC chip and an antenna. The first ring and the second ring are bonded by an adhesive agent that fills the recessed portion. Compared to a case where the adhesive agent is applied such that bonding surfaces come into contact at the surfaces, the bonding strength between the first ring and the second ring can be improved by increasing the amount of the adhesive agent. Also, the communication unit is tightly fixed to the recessed portion and protected by the adhesive agent. This configuration allows the strength of the ring type wearable terminal to be improved.
-
Fig. 1 is a perspective view of a ring typewearable terminal 10 according to the first embodiment, andFig. 2 is a lateral view of the ring typewearable terminal 10. The ring typewearable terminal 10 is provided with afirst ring 12 and asecond ring 14 that is bonded to the outside of thefirst ring 12. Thefirst ring 12 and thesecond ring 14 are formed of high-strength ceramics made of zirconia to which yttrium oxide is added. Thefirst ring 12 and thesecond ring 14 are set to have a width W1 of 7.8 mm. Thefirst ring 12 is set to have an internal diameter R1 of 20.2 mm and an outer diameter R2 of 23.2 mm. Thesecond ring 14 is set to have an internal diameter R3 of 23.2 mm and an outer diameter R4 of 26.0 mm. The respective diameters of thefirst ring 12 and thesecond ring 14 are changed in accordance with the size of the rings. -
Fig. 3 is a cross sectional view along A-A ofFig. 2 , andFig. 4 is a partial enlarged view ofFig. 3 . On the outer peripheral surface of thefirst ring 12, arecessed portion 16 is formed on the whole circumference. The recessedportion 16 houses acommunication unit 26, which is described later, and is covered by thesecond ring 14. The recessedportion 16 is set to have a width W2 of 6 mm and a depth D of 1.2 mm. Therecessed portion 16 is filled with anadhesive agent 24. Theadhesive agent 24 filling therecessed portion 16 bonds thefirst ring 12 and thesecond ring 14 and fixes thecommunication unit 26 to therecessed portion 16. Also, theadhesive agent 24 absorbs an impact caused by coming into contact with a reader-writer or the like so as to protect thecommunication unit 26. Theadhesive agent 24 is an epoxy resin-based adhesive agent. -
Fig. 5 is a perspective view of thecommunication unit 26 according to the embodiment. Thecommunication unit 26 is provided with aflexible substrate 30 and anIC chip 32 provided in theflexible substrate 30. The end portions of theflexible substrate 30 are connected to each other to form a ring shape. Anantenna 28 is formed on each surface of theflexible substrate 30. TheIC chip 32 includes a CPU, a memory, a reception unit, and a transmission unit and is connected to theantenna 28. TheIC chip 32, using prior arts, operates by electrical power generated by theantenna 28 that has received a radio wave from the reader-writer and transmits and/or receives various types of data to/from the reader-writer. -
Fig. 6 is a plan view showing a condition before theflexible substrate 30 according to the first embodiment is formed into a ring shape. Theflexible substrate 30 is set to have a width W3 of 5.9 mm and a length L1 of 75 mm. On a first surface of theflexible substrate 30 on the side where theIC chip 32 is provided, a plurality oflinear patterns 28a through 28i that form theantenna 28 are formed. On a second surface of theflexible substrate 30, linear patterns of almost the same shape are formed at a position where the patterns overlap with the patterns on the first surface when viewed in a plan view. The linear patterns on both surfaces are connected through a plurality ofconnection holes 29 formed in theflexible substrate 30. Thelinear patterns flexible substrate 30 to the central part thereof and are connected to theIC chip 32. Thelinear patterns 28b through 28h located between these two linear patterns are formed such that thelinear patterns 28b extend in a parallel manner from one end to the other end of theflexible substrate 30 while being shifted by one linear pattern at a central portion of theflexible substrate 30. - An end portion of each linear pattern is referred to as a
bonding portion 38, which is bonded to another linear pattern. At each end portion of theflexible substrate 30 in the longitudinal direction, apositioning portion 34 projecting toward the outside from a side edge in the width direction is formed. A positioningportion 34 on the side of oneend 30a is set to have a length L2 of 7 mm and forms fivepositioning holes 36 lines up in the longitudinal direction. A positioningportion 34 on the side of theother end 30b is set to have a length L3 of 2 mm and forms onepositioning hole 36. - When the ends of the
flexible substrate 30 are bonded, both of thepositioning portions 34 are overlapped with each other such that theflexible substrate 30 has a circumference that matches the size of the ring and are fixed with a pin passing through the positioning holes 36. Under this condition, thebonding portions 38 at the ends are soldered to form theflexible substrate 30 into a ring shape. Thelinear pattern 28a is bonded, on the side of theother end 30b, to thelinear pattern 28b on the side of theend 30a so as to form a single loop. In the same way, thelinear patterns 28b through 28h are bonded, on the side of theother end 30b, to thelinear patterns 28c through 28i, respectively, so as to form a plurality of loops. Such a structure allows thelinear patterns 28a through 28i to form a single loop antenna where both ends of the linear patterns are connected to theIC chip 32 being wound in a coil shape while theflexible substrate 30 is in a ring shape. When the pin inserted in the positioning holes 36 is removed and thepositioning portions 34 are detached from theflexible substrate 30 after both of the ends are bonded, a condition shown inFig. 5 is obtained. - On the
positioning portion 34 on the side of theend 30a of theflexible substrate 30, positioning holes 36 are formed side by side at a center-to-center distance of 1.2 mm in the longitudinal direction. This allows the circumference of theflexible substrate 30 to be adjusted at intervals of 1.2 mm in accordance with the size of the ring by changing the positioning holes 36 to be overlapped at the time of bonding. Since a singleflexible substrate 30 can adapt to rings of multiple sizes, the manufacturing cost of a ring can be reduced in the manufacturing of multiple ring type wearable terminals of different sizes, compared to a case of manufacturing aflexible substrate 30 where the pattern of anantenna 28 and the entire length vary depending on a size. An adaptable size can be changed by changing the length L1 of theflexible substrate 30, the lengths L2 and L3 of thepositioning portions 34, the number of the positioning holes 36, or the like. - An explanation will be given of a method for manufacturing the ring type
wearable terminal 10. First, a rod-like jig whose outer diameter becomes larger gradually from one end to the other end is prepared. This jig is inserted into afirst ring 12, and thefirst ring 12 is fixed to the jig at a position where the diameters match. Then, acommunication unit 26 including a ring-shapedflexible substrate 30 where abonding portion 38 is bonded in accordance with the size of the ring is put in a recessedportion 16 of thefirst ring 12. Under this condition, anadhesive agent 24 is applied to the entire outer side of thefirst ring 12 in a heaped manner, and the recessedportion 16 is filled with theadhesive agent 24. Then, asecond ring 14 is placed on the outer side of thefirst ring 12. Once theadhesive agent 24 is hardened, thefirst ring 12 and thesecond ring 14 become bonded, and thecommunication unit 26 becomes fixed to the recessedportion 16. Theadhesive agent 24 of the recessedportion 16 covers the entirety of thecommunication unit 26 and absorbs an impact received by coming into contact with a reader-writer or the like so as to protect thecommunication unit 26. - After the
adhesive agent 24 is hardened, thefirst ring 12 and thesecond ring 14 are removed from the jig, and the respective outer peripheral surfaces are polished. At this time, the polishing is performed such that a part of theadhesive agent 24 that has leaked from between thefirst ring 12 and thesecond ring 14 is removed and the respective outer peripheral surfaces of thefirst ring 12 and thesecond ring 14 become smoothly continuous. Through these steps, thefirst ring 12 and the second ring become tightly bonded, and the ring typewearable terminal 10 smoothly finished without bumps on the surface can be manufactured. - The actual usage and effects brought by the above configuration are as shown in the following. A user wears a ring type
wearable terminal 10 in his/her finger. By putting a hand with the finger wearing the ring typewearable terminal 10 closer to a reader-writer, reading at an automatic ticket gate, payment for a purchase, etc., can be easily performed. Also, manufactures of ring typewearable terminals 10 are able to allow a singleflexible substrate 30 to be adaptable to multiple ring sizes and thus able to reduce the manufacturing cost when offering a size range of multiple sizes. - Shown below is a variation of the first embodiment. The recessed
portion 16 is formed in thefirst ring 12. Alternatively, a recessed portion may be formed in thesecond ring 14. Alternatively, a recessed portion may be formed on each of thefirst ring 12 and thesecond ring 14. In either case, thefirst ring 12 and thesecond ring 14 are tightly bonded as in the same way as in the embodiment. The color of thefirst ring 12 and the color of thesecond ring 14 can be obviously any color. From the fashion's perspective, the colors may be the same color or, conversely, a combination of greatly different colors as those in a complementary color relationship. - A ring type wearable terminal according to a second embodiment is different from that of the first embodiment in that a notch to be filled with an
adhesive agent 24 is formed in at least either one of afirst ring 12 and asecond ring 14. -
Fig. 7 is a cross sectional view of a ring typewearable terminal 40 according to the second embodiment, andFig. 8 is a partial enlarged view ofFig. 7 . On each side edge portion of thefirst ring 12, aninner side notch 18 is formed on the whole circumference. Theinner side notch 18 includes an inclined surface formed such that the outer diameter of thefirst ring 12 becomes smaller toward the side edge. On each side edge portion of thesecond ring 14, anouter side notch 20 is formed on the whole circumference. Theouter side notch 20 includes an inclined surface formed such that the inner diameter of thesecond ring 14 becomes larger toward the side edge. When thefirst ring 12 and thesecond ring 14 are bonded, theinner side notch 18 and theouter side notch 20 form a notchedportion 22 whose cross section is triangle-shaped. Thefirst ring 12 and thesecond ring 14 are bonded by anadhesive agent 24 that fills the recessedportion 16 and the notchedportion 22. Since the notchedportion 22, as well as the recessedportion 16, is also filled with theadhesive agent 24, thefirst ring 12 and thesecond ring 14 can be more tightly bonded. In the manufacturing of the ring typewearable terminal 40, after thefirst ring 12 and thesecond ring 14 are bonded, polishing is performed such that the surface of theadhesive agent 24 filling the notchedportion 22 becomes smoothly continuous with the respective outer peripheral surfaces of thefirst ring 12 and thesecond ring 14. - Shown below is a variation of the second embodiment. A clear adhesive agent may be used as the
adhesive agent 24. Alternatively, an adhesive agent colored in the same color as that of thefirst ring 12 and that of thesecond ring 14 may be used to conceal the notchedportion 22. From the fashion's perspective, an adhesive agent colored in a color that is different from the color of thefirst ring 12 and the color of thesecond ring 14 may be used. Theinner side notch 18 is formed on thefirst ring 12, and theouter side notch 20 is formed on thesecond ring 14. Alternatively, either one of theinner side notch 18 and theouter side notch 20 may be applied. Also, theinner side notch 18 and theouter side notch 20 may not be formed on the whole circumference of the rings and may be formed on at least a part of the respective rings. In either case, a notched portion to be filled with theadhesive agent 24 can be formed between thefirst ring 12 and thesecond ring 14 so as to bond thefirst ring 12 and thesecond ring 14 more tightly. - Described above is an explanation of the present invention based on the embodiments. These embodiments are intended to be illustrative only, and it will be obvious to those skilled in the art that various modifications to constituting elements and processes could be developed and that such modifications are also within the scope of the present invention as defined by the claims.
- For example, an explanation has been made regarding a ring type wearable terminal used as a ring. However, the example given is non-limiting. The diameter of the ring and the diameter of an inner diameter correction member may be increased to be used as a bracelet.
Claims (2)
- A ring type wearable terminal (10) comprising:a ring (12); anda communication unit (26) that is housed in the ring (12),wherein the communication unit (26) is provided with a ring-shaped flexible substrate (30), wherein the flexible substrate (30) is provided with a plurality of linear patterns that extend in a longitudinal direction,characterized by the flexible substrate (30) being provided with bonding portions (38) formed such that the bonding portions (38) are bonded at a position in a longitudinal direction in accordance with the size of the ring (12), wherein each of the bonding portions (38) are formed at a respective end portion of the plurality of linear patterns and wherein the plurality of linear patterns form a single loop antenna once the bonding portions (38) are bonded.
- A flexible substrate (30) for provision, in a ring-shape, to a communication unit (26) housed in a ring (12) of a ring type wearable terminal (10), the flexible substrate (30) comprising:a plurality of linear patterns that extend in a longitudinal direction,characterized by the flexible substrate (30) being provided with:a plurality of bonding portions (38), each bonding portion (38)being formed at a respective end portion of the plurality of linear patterns; andpositioning portions (34) that project toward the outside from a side edge of each end portion in the longitudinal direction,wherein the positioning portions (34) are formed such that the positioning portions can be overlapped at a plurality of different positions in the longitudinal direction in accordance with the size of the ring (12), wherein the bonding portions (38) are formed such that the bonding portions can be bonded at a position where the positioning portion is overlapped, and wherein the plurality of linear patterns form a single loop antenna once the bonding portions (38) are bonded.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US201762526816P | 2017-06-29 | 2017-06-29 |
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EP3420840B1 true EP3420840B1 (en) | 2021-12-08 |
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EP17193026.6A Active EP3420840B1 (en) | 2017-06-29 | 2017-09-25 | Ring type wearable terminal and flexible substrate |
Country Status (9)
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US (1) | US11271290B2 (en) |
EP (1) | EP3420840B1 (en) |
JP (1) | JP6913590B2 (en) |
KR (1) | KR20190002320A (en) |
CN (1) | CN109216878B (en) |
AU (2) | AU2018201612A1 (en) |
BR (1) | BR102018013252A2 (en) |
RU (1) | RU2018123381A (en) |
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RU2639577C1 (en) * | 2016-10-13 | 2017-12-21 | Акционерное общество "Пэй Ринг" | Non-contact smart-card |
US10653215B2 (en) | 2017-04-05 | 2020-05-19 | Tough Love Rings, LLC | Ergonomic silicone wedding ring |
JP1593830S (en) * | 2017-05-31 | 2017-12-25 | ||
JP1596238S (en) * | 2017-05-31 | 2021-01-25 | ||
US10646009B2 (en) * | 2017-12-07 | 2020-05-12 | Quantum Jewelry (Hong Kong) Limited | Ring having improved weight, durability, damage resistance, shine and workability features |
FR3113977A1 (en) * | 2020-09-04 | 2022-03-11 | Icare Technologies | CONNECTED RING PROVIDED WITH AN OPTIMIZED CONFIGURATION ANTENNA |
USD1002420S1 (en) * | 2022-07-25 | 2023-10-24 | Kayvey Mellard | Bracelet |
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US6928734B1 (en) * | 1997-09-08 | 2005-08-16 | Trent West | Jewelry ring and method of manufacturing same |
JP3523043B2 (en) * | 1998-01-20 | 2004-04-26 | 株式会社エヌ・ティ・ティ・ドコモ | Wristwatch-type communication device and its antenna |
DE60113788T2 (en) * | 2000-12-12 | 2006-08-10 | Matsushita Electric Industrial Co., Ltd., Kadoma | Ring resonator and antenna |
US8073548B2 (en) * | 2004-08-24 | 2011-12-06 | Sensors For Medicine And Science, Inc. | Wristband or other type of band having an adjustable antenna for use with a sensor reader |
JP4921848B2 (en) | 2006-05-09 | 2012-04-25 | 株式会社東芝 | Semiconductor device and manufacturing method thereof |
KR20070109766A (en) * | 2006-09-20 | 2007-11-15 | 주식회사 에스씨티 | Ring model flexible antenna for wireless communication |
JP6231358B2 (en) | 2013-11-11 | 2017-11-15 | 株式会社日立システムズ | RFID tag built-in ring |
US9582034B2 (en) * | 2013-11-29 | 2017-02-28 | Motiv, Inc. | Wearable computing device |
JP5777122B2 (en) * | 2014-02-27 | 2015-09-09 | 株式会社ログバー | Gesture input device |
CN204013533U (en) * | 2014-07-18 | 2014-12-10 | 丁绍杰 | A kind of safe NFC ring device of holding concurrently that narrows |
US9258036B1 (en) * | 2014-07-21 | 2016-02-09 | Shao-Chieh Ting | Narrow and secure near field communication ring device |
WO2016061673A1 (en) * | 2014-10-21 | 2016-04-28 | Medella Health Inc. | A multi-layer micro receiver for a wireless communication system |
WO2016175429A1 (en) * | 2015-04-29 | 2016-11-03 | 엘지전자 주식회사 | Wearable smart device and control method therefor |
US10998619B2 (en) * | 2016-06-22 | 2021-05-04 | Amotech Co., Ltd. | Ring type antenna module and jig for manufacturing same |
GB2552654A (en) * | 2016-07-29 | 2018-02-07 | Fifth Dimension Digital Ltd | Near field communication ring |
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2017
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- 2017-09-26 CN CN201710884442.0A patent/CN109216878B/en active Active
- 2017-09-28 JP JP2017187568A patent/JP6913590B2/en active Active
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- 2018-06-07 SG SG10201804865QA patent/SG10201804865QA/en unknown
- 2018-06-20 KR KR1020180070829A patent/KR20190002320A/en not_active Application Discontinuation
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- 2018-06-27 BR BR102018013252-0A patent/BR102018013252A2/en not_active Application Discontinuation
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2019
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Non-Patent Citations (1)
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SG10201804865QA (en) | 2019-01-30 |
AU2018201612A1 (en) | 2019-01-17 |
EP3420840A1 (en) | 2019-01-02 |
JP6913590B2 (en) | 2021-08-04 |
RU2018123381A (en) | 2019-12-30 |
KR20190002320A (en) | 2019-01-08 |
BR102018013252A2 (en) | 2019-01-15 |
AU2019202747B2 (en) | 2020-07-23 |
AU2019202747A1 (en) | 2019-05-16 |
US11271290B2 (en) | 2022-03-08 |
US20190006742A1 (en) | 2019-01-03 |
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